COUNTY · 2000 CENSUS

Iroquois County

Illinois · 31,334 residents · 1,117.395 sq mi

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The short version

Iroquois County has lower-than-average household income, with a median household income of $38,071. Population has held roughly steady since 1990. 12% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $79,400.

At a glance

Lower income

below the US median

US median: $42,589

Older

median age 39.6

US median: 35.2

Less educated

12% hold a bachelor's degree

US average: 24%

Less affordable

home values up 50%, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

31,334

+2%since 1990

from 30,787 in 1990

1990 – 2025

Population density

28 / sq mi

+2%since 1990

from 28 / sq mi in 1990

US average: 242

Median age

39.6

+7%since 1990

from 37.1 in 1990

US average: 35.2

Population, 1990 – 2024

202426K

Section 02

Income & economy

Median household income

$38,071

+14%inflation adjusted, since 1990

from $25,435 in 1990

US average: $42,589

1990 – 2024

Per capita income

$18,435

+58%since 1990

from $11,653 in 1990

US average: $21,522

Poverty rate

8.7%

−0.5 ptssince 1990

from 9.2% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$79,400

+50%inflation adjusted, since 1990

from $40,200 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$446

+11%inflation adjusted, since 1990

from $306 in 1990

US average: $602

Owner-occupied

76.4%

+2.6 ptssince 1990

from 73.8% in 1990

23.6% rent

Afford Score

2.1

+32%since 1990

from 1.6 in 1990

1990 – 2024

RELATED:See current rent listings in Iroquois County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic98.2%(30,244)

Black0.5%(164)

Hispanic / Latino1.6%(500)

Asian0.1%(44)

Diversity Score8.1%(2,508)

2000

White, non-Hispanic94.4%(29,580)

Black0.7%(222)

Hispanic / Latino3.9%(1,217)

Asian0.3%(87)

Diversity Score11.8%(3,686)

Diversity Score

+44%since 1990

from 8 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

11.8%

+1.8 ptssince 1990

from 10.1% in 1990

US average: 24.4%

High school or higher

80.3%

+6.9 ptssince 1990

from 73.4% in 1990

US average: 80.3%

Graduate degree

4.6%

+1.4 ptssince 1990

from 3.2% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

16.7 min

−25%since 1990

from 22.3 min in 1990

US average: 17.6

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Iroquois County

Head to head

Compare Iroquois County to nearby counties

IROQUOIS COUNTY VS

Ford County

Income$62,439+64%

Home value$122,000+54%

Population13,216−49%

SEE FULL COMPARISON →

IROQUOIS COUNTY VS

Newton County

Income$75,481+98%

Home value$171,500+116%

Population14,188−46%

SEE FULL COMPARISON →

IROQUOIS COUNTY VS

Kankakee County

Income$71,281+87%

Home value$192,600+143%

Population105,525+304%

SEE FULL COMPARISON →

IROQUOIS COUNTY VS

Benton County

Income$65,875+73%

Home value$151,000+90%

Population8,883−66%

SEE FULL COMPARISON →

Frequently asked

How many people live in Iroquois County, Illinois?

Iroquois County, Illinois has about 31,334 residents according to the 2000 Census.

What is the median household income in Iroquois County, Illinois?

The typical household in Iroquois County, Illinois earns about $38,071 a year. Half of households make more than that, and half make less.

Is Iroquois County, Illinois expensive?

In Iroquois County, Illinois, the median home is worth about $79,400, and the typical rent is about $446 a month.

How educated are people in Iroquois County, Illinois?

About 11.8% of adults age 25 and over in Iroquois County, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Iroquois County, Illinois?

About 8.7% of people in Iroquois County, Illinois live below the federal poverty line.

Has Iroquois County, Illinois grown since 1990?

Yes, Iroquois County, Illinois has grown since 1990. The population has added about 547 residents, a change of about 2 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →